Research Article
A Morphological Filtering Method Based on Particle Swarm Optimization for Railway Vehicle Bearing Fault Diagnosis
Table 5
Fault characteristic frequencies of tested bearing.
| | Defect type | Speed (Km/h) | Motor speed (rpm) | Shaft rotation frequency (Hz) | Fault characteristic frequency (Hz) |
| | Rolling element | 50 | 308 | 5.14 | 16.82 | | Outer race | 100 | 616.88 | 10.28 | 83.26 | | Inner race | 280 | 1730 | 28.83 | 156.12 |
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